The deadline to submit abstracts for the Urban and Regional Information Systems Association’s (URISA) 45th Annual Conference (Aug. 20-23, 2007, in Washington, D.C.) was extended to Wednesday, Jan. 3, 2007. General topic categories include national initiatives, partnerships, and collaborations; applications; tools; data; management and professional development; and public participation GIS. For more information, or to submit an abstract, visit